<?php

/**
 * This is the model class for table "banner".
 *
 * The followings are the available columns in table 'banner':
 * @property integer $banner_id
 * @property string $file
 * @property string $type
 * @property string $area
 * @property integer $object
 * @property string $link
 */
class Banner extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'banner';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('link', 'required','message' => 'trường này không được bỏ trống'),
                        //array('file', 'required','message' => 'trường này không được bỏ trống'),
			array('object', 'numerical', 'integerOnly'=>true),
			array('type, area, link', 'length', 'max'=>255),
                        array('orders', 'safe'),
                        array('file', 'file', 'types'=>'jpg, gif, png','allowEmpty'=>true,'message' => 'bạn chỉ được upload file hình png,jpg hoặc gif'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('banner_id, file, type, area, object, link', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'banner_id' => 'Banner',
			'file' => 'Image',
			'type' => 'Type',
			'area' => 'Vùng hiển thị',
			'object' => 'Object',
			'link' => 'Link',
                        'orders' => 'Thứ tự'
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('banner_id',$this->banner_id);
		$criteria->compare('file',$this->file,true);
		$criteria->compare('type',$this->type,true);
		$criteria->compare('area',$this->area,true);
		$criteria->compare('object',$this->object);
		$criteria->compare('link',$this->link,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Banner the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
        /**
     * get image of category
     */
    public function getImage(){
        $default = "default.gif";
        if($this->file != null && !is_object($this->file) && file_exists(PATH_IMAGE_CATEGORY.$this->file)){
            return $this->file;
        }else{
            if(!is_object($this->file) && $this->file != null && !file_exists(PATH_IMAGE_CATEGORY.$this->file)){
                return $default;
            }
        }
        return false;
    }
}
